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Glossary of Terms

The breaking up of finish particles through the tip of an air gun under pressure. A fine mist is created that lands on the surface and levels out to a smooth finish.

Binder

Finish or resin added to the stain, used to lock the pigment and dyes into the wood.

Blush

Cloudy haze in finish caused by moisture trapped beneath the surface. High humidity is the most common cause. Can be also caused by the improper application of an oil base stain under a water base finish.

Coalescing

The evaporation of the chemicals that keep the acrylic resin in a liquid form. Once this process is complete, the acrylic forms a hard finish film.

Crazing

Tiny cracks in the finish film, usually along the edges of a surface. Caused by the finish drying too fast in high temperatures.

Extender

Chemical additive used to control the drying and flow of water base finishes. Can be used with stains and finishes to "extend" the open time.

Fish Eyes

Defects in the finish film caused by surface contamination (usually from oils, silicones, and waxes.)